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Date:   Fri, 21 Jul 2023 11:24:05 -0700
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Yicong Yang <yangyicong@huawei.com>
Cc:     akpm@linux-foundation.org, linux-mm@kvack.org,
        linux-arm-kernel@lists.infradead.org, x86@kernel.org,
        mark.rutland@arm.com, ryan.roberts@arm.com, will@kernel.org,
        anshuman.khandual@arm.com, linux-doc@vger.kernel.org,
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        darren@os.amperecomputing.com, yangyicong@hisilicon.com,
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        openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org,
        linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
        Barry Song <21cnbao@gmail.com>, wangkefeng.wang@huawei.com,
        xhao@linux.alibaba.com, prime.zeng@hisilicon.com,
        Jonathan.Cameron@huawei.com, Barry Song <v-songbaohua@oppo.com>,
        Nadav Amit <namit@vmware.com>, Mel Gorman <mgorman@suse.de>
Subject: Re: [PATCH v11 2/4] mm/tlbbatch: Rename and extend some functions
Message-ID: <ZLrNRSry+Hhn2dxA@arm.com>
References: <20230717131004.12662-1-yangyicong@huawei.com>
 <20230717131004.12662-3-yangyicong@huawei.com>
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On Mon, Jul 17, 2023 at 09:10:02PM +0800, Yicong Yang wrote:
> From: Barry Song <v-songbaohua@oppo.com>
> 
> This patch does some preparation works to extend batched TLB flush to
> arm64. Including:
> - Extend set_tlb_ubc_flush_pending() and arch_tlbbatch_add_mm()
>   to accept an additional argument for address, architectures
>   like arm64 may need this for tlbi.
> - Rename arch_tlbbatch_add_mm() to arch_tlbbatch_add_pending()
>   to match its current function since we don't need to handle
>   mm on architectures like arm64 and add_mm is not proper,
>   add_pending will make sense to both as on x86 we're pending the
>   TLB flush operations while on arm64 we're pending the synchronize
>   operations.
> 
> This intends no functional changes on x86.
> 
> Cc: Anshuman Khandual <anshuman.khandual@arm.com>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Cc: Nadav Amit <namit@vmware.com>
> Cc: Mel Gorman <mgorman@suse.de>
> Tested-by: Yicong Yang <yangyicong@hisilicon.com>
> Tested-by: Xin Hao <xhao@linux.alibaba.com>
> Tested-by: Punit Agrawal <punit.agrawal@bytedance.com>
> Signed-off-by: Barry Song <v-songbaohua@oppo.com>
> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
> Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> Reviewed-by: Xin Hao <xhao@linux.alibaba.com>
> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>